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Moisture Situation as of August 12, 2018

 
  From the August 20, 2018 issue of Agri-News
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 Ralph Wright, manager of the agro-meteorological applications and modelling section with Alberta Agriculture and Forestry, analyzes the data.

Synopsis:

On the August 11 weekend, following a very hot and dry week, rain fell across a large area stretching roughly from the town of Peace River to Wetaskiwin (see map 1). “Total accumulations ranged from 5 to 50 mm,” says Wright. “The greatest amounts fell through much of the northwest and northeast regions. It brought much needed moisture after a week of hot and dry conditions that saw daytime highs reaching, in some cases, the mid 30s. Along with the rain, temperatures plummeted dramatically with day time highs on Sunday, August 12, struggling to reach into the mid-teens.”

“From Red Deer to the U.S. border, most areas remained dry over the August 11 weekend. Those areas received between 0 and 5 mm and a brief reprieve from the exceptionally hot week that proceeded it (see map 1). During the height of that week’s heat wave, most areas reached into the high 30s with several stations south of the TransCanada Highway recording temperatures just above the 40 C mark. Although very little rain fell that weekend, temperatures did moderate and reached well into the high 20s, which is still quite warm,” says Wright.

“Across the northern Peace region, dry conditions prevailed (see map 1) in the wake of last week’s heat wave that brought temperatures very close to the 30 C mark. This cooling trend was only moderate, dropping day time highs into the low 20s.”

Wright adds that over the past 90 days, most lands north of the Yellowhead Highway have received at least near normal rainfall accumulations (see map 2). “South of this, most areas are dryer than normal, ranging from one in three to six year lows, down to several small pockets of one in 25 to 50 year lows. Generally south of Red Deer, precipitation has been highly variable and mostly associated with widespread thunderstorm activity, bringing localized showers and “hit and miss” moisture. Most of these areas would benefit greatly from widespread rain, as many crops are in need of moisture now.”

Find more information at weatherdata.ca, Agricultural Moisture Situation Updates, or contact Ralph Wright, manager of the agro-meteorological applications and modelling section at 780-446-6831.

Contact:
Ralph Wright
780-446-6831

 
 
 
 
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For more information about the content of this document, contact Ralph Wright.
This document is maintained by Christine Chomiak.
This information published to the web on August 10, 2018.